The cells of the nervous system that form the blood-brain barrier to keep certain substances from gaining access to the brain are called ________
A) astrocytes
B) Schwann cells
C) ependymal cells
D) dendrites
A
Explanation: A) Correct! These cells also regulate oxygen and nutrients coming to the neurons.
B) These cells produce myelin; they are not part of the blood-brain barrier.
C) These cells produce CSF; they are not part of the blood-brain barrier.
D) These are branches, not cells, at the beginning of a neuron.
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The combining form that means liver is ________.
Fill in the blank(s) with the appropriate word(s).
Experiments by Moore and colleagues showed that electrical stimulation delivered to neurons in the frontal eye fields affect an animal's ability to detect a dimming stimulus in what way? Choose the correct option
A) Electrical stimulation boosts the ability to detect a dimming target spot B) Electrical stimulation diminishes the ability to detect a dimming target spot C) Electrical stimulation has no effect on the ability to detect a dimming target spot D) Electrical stimulation boosts and diminishes the ability to detect a dimming target spot depending on the state of arousal
A prefix that means "abnormally low, deficient, or below" is ________
Fill in the blank(s) with correct word
Self-esteem is based on others' assessment of our worth.
Answer the following statement true (T) or false (F)